some backup in terms of our passengers, on being able to move through the terminals as well as traffic around the area. at this time we are still investigating. we have activated our airport emergency operation center, and we are working to get as much information to the public as possible. mayor shariff, is it over as far as you know? you say it s an active investigation. clearly the investigation is only just beginning right now, but as far as you know, there s one shooter who is now in custody. was he the sole shooter and presumably everything is at least calm right now? yes. at this point in time that s correct. he was a lone shooter, and we have no evidence at this time that he was acting with anyone else. he is in custody, and we are currently investigating. he himself when he was taken into custody, he was not shoot himself or anything like that.